Light emitting device and polycyclic compound for the same
US12171142B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Aug 4, 2021 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Apr 16, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A light emitting device includes a first electrode, a second electrode facing the first electrode, and at least one emission layer disposed between the first electrode and the second electrode. The at least one emission layer includes a polycyclic compound represented by Formula 1, thereby exhibiting long service life characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.